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  • Terminal server performance over high latency links

    - by holz
    Our datacenter and head office is currently in Brisbane, Australia, and we have a branch office in the UK. We have a private WAN with a 768k link to our UK office and the latency is at about 350ms. The terminal server performance is reeeeealy bad. Applications that don't have too much animation or any images seem to be okay. But as soon as they do, the session is almost unusable. Powerpoint and internet explorer are good examples of apps that make it run slow. And if there is an image in your email signature, outlook will hang for about 10 seconds each time a new line is inserted, while the image gets moved down a few pixels. We are currently running server 2003. I have tried Server 2008 R2 RDS, and also a third party solution called Blaze by a company called Ericom, but it is still not too much better. We currently have a 5 levels dynamic class of service with the priority in the following order. VoIP Video Terminal Services Printing Everything else When testing the terminal server performance, the link monitored using net-flows, and have plenty we of bandwidth available, so I believe that it is a latency issue rather than bandwidth. Is there anything that can be done to improve performance. Would citrix help at all?

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  • Weird rendering artefact in vim (terminal, not MacVim)

    - by Tobi Lehman
    Running Mac OS X, using either Terminal.app or iTerm2, there is a strange artefact with the character rendering that I have a hard time explaining and an even harder time understanding. I'll start with a video of my screen so that you can see and example of it in action: From the video you can see a few ways it is weird, for example, sometimes when I hit a letter in insert mode, the character is double printed. When I go into normal mode, the artefact remains. When I re-enter insert mode, hitting backspace copies the characters on the left to the position under the cursor. This has happened in OS X Lion, and Mountain Lion, under both Terminal.app and iTerm 2. This never happens under MacVim. Also, I use GNU/Linux on my other machine, and have never had this happen, I am pretty sure it is strictly a Mac OS X issue, but I do not know how to fix it. For a while, I've been working around it by using MacVim most of the time, but I prefer working in a terminal. Does anyone know what is happening here, and if so, how can I fix it? EDIT: I tried using the macvim Vim executable, and I still get strange artefacts, but they are localized to the left side of the screen, here is an example:

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  • Slow login to load-balanced Terminal Server 2008 behind Gateway Server

    - by Frans
    I have a small load-balanced (using Session Broker) Terminal Server 2008 farm behind a Gateway Server which is accessed from the Internet. The problem I have is that there is a delay of 20-30 seconds if the session broker switches the user to another server during login. I think this is related to the fact that I am forcing the security layer to be RDP rather than SSL. The background The Gateway server has a public routeable IP addres and DNS name so it can be accessed from the Internet and all users come in via this route (the system is used to provide access to hosted applications to external customers). The actual terminal servers only have internal IP addresses. This works really well, except that with a Vista or Windows 7 client, the Remote Desktop client will negotiate with the server to use SSL for the security layer. This then exposes the auto-generated certificate that TS1 or TS2 has - but since they are internal, auto-generated certificates, the client will get a stern warning that the certificate is not valid. I can't give the servers a properly authorised certificate as the servers do not have public routeable IP address or DNS name. Instead, I am using Group Policy to force the connections to be over RDP instead of SSL. \Computer Configuration\Policies\Administrative Templates\Windows Components\Terminal Services\Terminal Server\Security\Require use of specific security layer for remote (RDP) connections The Windows 7 user now gets a much less stern warning that "the server's identity cannot be confirmed" which I can live with. I don't have enough control over the end-user's machines to ask them to install a new root certificate either. TS1 and TS2 are also load-balanced using the Session Broker, which is installed on the Gateway Server. I am using round-robin DNS, so the user's initial connection will go via Gateway1 to either TS1 or TS2. TS1/TS2 will then talk to the session broker and may pass the user to the other server. I.e. the user may get connected to TS2, but after talking to the session broker the user may be passed to TS1, which is where they will run their session. When this switching of servers happens, in my setup, the screen sits with the word "Welcome" for 20-30 seconds after which it flickers, Welcome is shown again and then flashing through nthe normal login screens (i.e. "wait for user profile manager" etc). Having done some research, I think what is happening is that the user is being fully logged on to TS2 (while "Welcome" is shown) before being passed to TS1, where they are then logged in again. It is interesting that normally when you see the ""Welcome" word, the little circle to left rotates. However, it does not rotate during this delay - the screen just looks frozen. This blog post leads me to think that this is because CredSSP is not being used, probably because I am disallowing SSL and forcing RDP. What I have tried I enabled SSL again which removes the "Welcome" delay. However, it seems to introduc a new delay much earlier in the process. Specifically, when the RDP client is saying "initialising connection" - this is now much slower. Quite apart from the fact that my certificate problem precludes me using that solution without considerable difficulty. I tried disabling the load balancing (just remove the servers from the session broker farm) and the connections do not have any delay. The problem is also intermittent in the sense that it only happens when the user gets bumped from one server to another. I tested this by trying to connect directly to TS1 (via the Gateway, of course) and then checking which server I actually got connected to. Just to be sure, I also by-passed the round-robin DNS to see if it had any impact and it doesn't. The setup is essentially in line with MS recommendations here: TS Session Broker Load Balancing Step-by-Step Guide I tried changing to using a dedicated redirector. Basically, rather than using a round-robin DNS, I pointed my DNS to the Gateway server and configured it to be a dedicated redirector (disallow logons, add it to the farm). Same problem, alas. Any ideas or suggestions gratefully received.

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  • GConf error and gnome does not load properly in RHEL 5.3

    - by Tim
    Hello, I am using Red Hat Enterprise Linux 5.3 . I created a user oracle on the system, using the following command useradd -g oinstall -G dba,oper -d /home/oracle oracle Now, when i try to login as the user oracle, GNOME does not load properly and i get popup box error message like the following GConf error:Failed to contact configuration server;some possible causes are that you need to enable TCP/IP for ORBit,or your have NFS locks due to a system crash.(Details-/:IOR file'/tmp/gcofd-cheetahman/tock/ior' not opened successfully,no gconfd located:Permission denied 2: IOR file /tmp/gconfd-cheetahman/lock/ior not opened succesfully no gconfd located: Permission denied) Any way to fix this ? Thank You

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  • gnome-terminal. New tab opening

    - by thillai-selvan
    I am launching the gnome-terminal and I am working in a specific path For example: /home/user/programs/c/. Now I am opening another tab. When I am opening the new tab it is also in the same path. i.e. the new tab's pwd will be /home/user/programs/c/ But what I want is when I am opening a new tab its pwd should be /home/user. How can I achieve this? Any help much appreciated. Thanks in Advance!

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  • Right-button drag-drop function in Gnome

    - by HorusKol
    While I don't really miss the annoyances that go with working on Windows, one thing I do wish I had in Gnome is the ability to hold the right-mouse button down on a file and drag it to get the context menu asking if I want to move or copy the file. I realise the default tries to be sensible (like in Windows - defaults to move if on the same volume, or copy if on different) and that it can be overridden with <ctrl> or <shift> - but i'm still used to the right-mouse drag option and keep getting frustrated when it doesn't work...

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  • Where do I have to paste an "xinput" command so that it executes it when GNOME is started?

    - by michuk
    On my Thinkpad I need to execute something like this in the terminal: xinput set-int-prop "TPPS/2 IBM TrackPoint" "Evdev Middle Button Emulation" 8 1 so that my the 2 buttons on my touchpad emulate the middle mouse click. Now I need this line to be executed each time I start GNOMe or X or whatever, so that it "just works". I tried ~/.xsession or ~/.bashrc but to no avail. Should I put it in GNOME start scripts or in /etc/X somewhere? I'm using Ubuntu 11.10.

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  • Can't the NetworkManager applet to appear in the Gnome panel in Ubuntu

    - by Nate
    I have researched this problem extensively and I can't seem to find an answer. In Ubuntu 10.04 LTS, I want to connect to my VPN through the NetworkManager applet. I installed all the network manager packages, including the gnome client. I understand I need to add the "Notification Area" to the panel, which I have done. I checked that the NetworkManager is running: nate@nate-desktop:~$ service network-manager status network-manager start/running, process 763 In /etc/NetworkManager/nm-system-settings.conf, I have added managed=true (don't know if this matters, but I saw it suggested on one forum): nate@nate-desktop:~$ more /etc/NetworkManager/nm-system-settings.conf # This file is installed into /etc/NetworkManager, and is loaded by # NetworkManager by default. To override, specify: '--config file' # during NM startup. This can be done by appending to DAEMON_OPTS in # the file: # # /etc/default/NetworkManager # [main] plugins=ifupdown,keyfile [ifupdown] #managed=false managed=true At this point, it looks like NetworkManager is running but it's not appearing in the NotificationArea of the panel. I don't know what else to try. Any ideas?

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  • GNOME Screensaver Widgets

    - by darkfalcon
    Is there a way to add widgets to a Gnome screensaver? I think this can be done with KDE 4, but I've never liked KDE very much. I'm a programmer and comfortable with writing code if needed. I'd like to be able to: See the weather and forecast Control Rhythmbox Use a flash card widget for reviewing musical concepts The reason I want these on the screensaver is that I have login restrictions. I would like to be able to do a very limited subset of activities without having to log in.

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  • How to make Chrome/Chromium remember passwords in the gnome seahorse keyring?

    - by berkes
    Is it possible to make chrome or chromium (as that comes default in the repos) to use the Gnome seahorse as password vault? I have not found a way to do this for Firefox either, but maybe a solution for Firefox will lead to a solution for Chrome. FYI: Epiphany is properly integrated into Gnome by default, and does use the default password vault. It would be great to at least have all passwords in a single, actually secure, place, instead of laying around in my home-dir. Even better would be if somehow they could re-use eachothers passwords, but that depends on the implementation of this integration, i guess.

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  • Using gnome-do as a dock

    - by Manu
    Hello, I've recently removed the bottom toolbar, in Ubuntu, and replaced it with gnome-do, using the "Docky" theme. Things looks nice, but I have a couple of questions : The dock doesn't differentiate between a shortcut and the application itself when launched. What if I want to launch more than one time that app ? (ie. the console). The dock shows all apps launched, not just the apps launched on that particular desktop. Can I change this behavior ? I haven't found it in the preferences. (image from the blog "OMG Ubuntu", http://d0od.blogspot.com/ )

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  • There's no Sound Mixer menu, missing menu option in Sound Recorder

    - by AlexN
    I am using: -Ubuntu 11.10 -Skype -PS3 Eye Toy camera to input video and sound This setup has been properly working in former Ubuntu releases. To use the mic already built in on the PS3 Eye Toy camera I open de Sound Recorder app (notice: not inside Skype, from inside Skype it is not possible to do this) that is included in Gnome and then I go to FileSound Mixer, from this menu I can choose Gnome to get the input audio from the PS3 Eye Toy, instead of from the Audio-In of the computer. Now in Ubuntu 11.10 this Sound Mixer menu inside Sound Recorder is missing, Gnome says something like this: gnome-volume-control is not installed in the proper directory Note: I have tried this on Unity, Unity 2D, Gnome Classic, Gnome Classic 2D and Gnome Shell. In all of them the problem is the same. What can I do? Basically what I want to do is to be able to tell the computer to get the audio in from the PS3 Camera. Thanks in advance.

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  • How to Delete/Disable gnome panels. No existing solutions working.

    - by Alan Peabody
    I would like to remove gnome panel completely. I spend most of my time in a (tmux) terminal or a browser. Synapse and a small hidden AWN panel fit the rest of my needs. I have tried all recommended solutions including this (found it a few places): How to delete Gnome Panel? However it always comes back at log in. I have tried changing the required components panel to avant-whatever as well as to empty. I have tried setting them both as default (right click set as default). Right now I just have the last panel set to transparent and auto hide, but it still tends to be annoying. What do I need to do to get rid of this damn thing?

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  • GNOME 3.4 released, with smooth & fast magnification

    - by Peter Korn
    The GNOME community released GNOME 3.4 today. This release contains several new accessibility features, along with a new set of custom high-contrast icons which improve the user experience for users needing improved contrast. This release also makes available the AEGIS-funded GNOME Shell Magnifier. This magnifier leverages the powerful graphics functionality built into all modern video cards for smooth and fast magnification in GNOME. You can watch a video of that magnifier (with the previous version of the preference dialog), which shows all of the features now available in GNOME 3.4. This includes full/partial screen magnification, a magnifier lens, full or partial mouse cross hairs with translucency, and several mouse tracking modes. Future improvements planned for GNOME 3.6 include focus & caret tracking, and a variety of color/contrast controls.

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  • how to change focus-mode: mouse's delay?

    - by Paladin
    how can I change delay before focus when having focus-mode: mouse in gnome 3? I am used to this behaviour from my previous WM (awesome), but I decided to give a Gnome another try (last used was gnome2) and I havem more or less happy so far, only this mouse focus thing is bugging me. I am used to no delay when focusing window under mouse, but I cannot find any setting do to this in gnome3. I so far tried googling, some medling with dconf editor but so far I have no luck in solving this. Any help will be appreciated ^_^

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  • How to tell gnome which file to use to change backlight brightness?

    - by cebe
    I have a Dell Inspiron M5010 and I am unable to change my backlight brightness with the F-Keys and it also does not work with gnome brightness widget. I am able to change backlight brightness manually on the terminal with $ sudo -s $ cd /sys/devices/virtual/backlight/dell_backlight $ ls -la insgesamt 0 drwxr-xr-x 3 root root 0 2012-04-06 13:03 . drwxr-xr-x 3 root root 0 2012-04-06 13:03 .. -r--r--r-- 1 root root 4096 2012-04-06 13:17 actual_brightness -rw-r--r-- 1 root root 4096 2012-04-06 13:17 bl_power -rw-r--r-- 1 root root 4096 2012-04-06 13:03 brightness -r--r--r-- 1 root root 4096 2012-04-06 13:03 max_brightness drwxr-xr-x 2 root root 0 2012-04-06 13:17 power lrwxrwxrwx 1 root root 0 2012-04-06 13:03 subsystem -> ../../../../class/backlight -rw-r--r-- 1 root root 4096 2012-04-06 13:03 uevent $ echo 8 > brightness Can I configure gnome power manager to use the right files somehow?

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  • Ubuntu/ Gnome : Open an application is a specific workspace

    - by bguiz
    How do tell an application to open in a specific workspace? More info: I like to have my C++ IDE in workspace 2, my Java IDE in workspace 3, and my email, browser and miscellaneous in workspace four. I also use a shell script that executes upon log in: #!/bin/bash gnome-terminal & # WS 1 netbeans-6-9-1 & # WS2 qtcreator-2-0-1 & # WS 3 firefox & # WS 4 thunderbird & # WS 4 Of course currently it all opens in the curent workspace... Is there a way for me to specify which workspace each command should start in? Thanks in advance!

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  • Gnome 3 - Unable to change date and time

    - by Chris Harris
    I am running Arch Linux with Gnome 3. Unfortunately, although my time and date settings in /etc/rc.conf show that HARDWARECLOCK='UTC' and TIMEZONE='America/LosAngeles'. I continue to get the timezone of Europe/London. If I try to change the date and time via the GUI. It requires root access. After authorizing root access, the date and time may be changed; however, after closing the GUI window, it automatically reverts back to the previous incorrect timezone. I am able to use pool.ntp.org in order to sync my time to the correct one; however, this works only for the current session and is not fixed. This solution is inconvenient since there is not always network access. What other solutions are available for this problem?

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  • Gnome keyboard shortcuts dysfunctional after waking up from sleep

    - by dennis2008
    Hello, I am using Ubuntu 9.10 on my Thinkpad T61. Very often after the system woke up from sleep, all the gnome shortcuts went dead (no effect when key combinations pressed). Things like "Alt+F4, Alt+TAB" are dead; things like Ctrl+C/Ctrl+V are OK; buttons such as volume up/down also OK; I tried to Google for answers but wasn't lucky enough. Any idea how to solve it? Thanks! If it's not preventable, can I at least restore them without restarting the session?

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  • how to bind super+s to indicator applete complete? - gnome classic

    - by rrosa
    i use gnome classic, i'm not a mouse fan. when i get an email while i'm writing code, i i would super+s to get to the indicator-applet-complete and read it. also to write emails, or check unread instant messages. upgrading from 12.04 to 14.04 made super+s bind to applications menu rather than the indicator applet complete. i removed the binding from the applications using dconf-editor, navigating to: org-gnome-desktop-wm-keybindings and disabling (['disabled']) the panel-main-menu key. now, how do i bind super+s to the indicator applet complete? it seems to be some how binded, since if if press super+s and then move the cursor over the applet it'll open the drop down menus (and it won't if i hover without pressing super+s) but i don't want to have to use the mouse...

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  • Laptop Brightness in Gnome and /proc - Thinkpad W510

    - by hakre
    I can set the brightness of my laptop screen already via /proc. I can read and change the value. Now I've set the value to 33 and then I went into gnome power management and enabled the option that it should reduce the backlight brightness being on battery. That works, the screen gets darker. If I now read out the current setting from /proc it still says it's 33. So I assume that there is another node in /proc to be used to control the brightness. The node I use so far is: /proc/acpi/video/VID/LCD0/brightness

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  • GNOME Screensaver Widgets

    - by Dark Falcon
    Is there a way to add widgets to a Gnome screensaver? I think this can be done with KDE 4, but I've never liked KDE very much. I'm a programmer and comfortable with writing code if needed. I'd like to be able to: See the weather and forecast Control Rhythmbox Use a flash card widget for reviewing musical concepts The reason I want these on the screensaver is that I have login restrictions. I would like to be able to do a very limited subset of activities without having to log in.

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  • Why do I have Unity and GNOME Classic running at the same time?

    - by jerowin
    I've recently updated and found that Unity shows on the gnome-classic/fallback desktop. Is this a new feature (which I doubt to be), or a bug? If it is a bug, tell me how to disable Unity because it interferes with the lower panel (i.e. I bring out Trash instead of showing the desktop when I try pressing the "Show desktop" button when the panel is not in focus). I don't encounter this problem in gnome-classic (No effects). Don't judge me. I like pokemon!

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  • I have a new file type that I would like to handle in gnome how to get file properties?

    - by Mark
    I have a new file type that I would like to handle in gnome. Establishing a new mime type, a new thumbnailer and a new application to display the file type is done. But I need a new tab on the file properties page. This tab is analogous to the tabs for exif information for jpg files or for encoding information for video codecs, that says how long the video is. The files concerned are embroidery files and the file properties needed to be displayed are things like phisical dimentions of the design, how much thread will be used and how many colours. My belief is that with current gnome 3 this is not possible, am I right? Or should I take a wider view that in Ubuntu, anything is possible, just may be a bit difficult?

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  • Mac OS X Terminal: mouse support?

    - by avetis.kazarian
    Is there a native option (ie. without installing extra soft/package/plugins) to enable mouse support in the Terminal app? Actually, I'm using a lot vim with the option set mouse=a (activating mouse features). But it seems that Terminal don't support all xterm's features. It appears (after some googling) that Terminal had once the mouse support, but I wonder where did it go. N.B: I really want mouse support in Terminal, not only for vim, so please, don't suggest MacVim :]

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